Features: Experience rapid cooling with the Semiconductor cooling fan builtin 1200mah battery, featuring wireless temperature control and a semiconductor refrigeration technology that quickly dissipates heat from your devices. Boasting a low noise cooling systems, this phone coolers integrates aviation grade superconducting metal and a builtin battery for efficient, heat dissipation management without blocking your grip. Suitable for both men and women, the cellphone radiator is a universally accessory to enhances the mobile experience for gamers and entertainment enthusiasts alike. Whether you are battling in gaming playing or binge watching your favorite shows, the cellphone radiator ensures your smartphone stays cool, preventing overheating and maintaining performances. With its small size designs and powerful airflows, the phone coolers is suitable for 71mm-105mm width phone size, ensuring a firmly fit for your devices. Specifications: Material:ABS Battery:1200mAh Input:5V 1.5A Suitable for 71mm/2.8''-105mm/4.13'' width device Package Includes: 1Piece Cellphone Radiator note: Please allow 1mm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color.